Answer:
This question lacks options, options are:
A.They maintain the cell’s shape.
B.They regulate cell processes.
C.They protect the body from infectious agents.
D.They signal the immune system to destroy pathogens.
E.They speed up biochemical reactions.
F.They send electrical signals.
The correct answers are C and D.
Explanation:
B cells and T cells use different biological weapons to attack the pathogen. The first secrete proteins called antibodies, which are distributed via the blood or the exposed surfaces to the environment, such as mucous. Antibodies are glycoproteins that circulate in the bloodstream looking for antigens that cause some type of damage to the body. Antibodies recognize and neutralize pathogens in a highly efficient way. Once the antibodies are produced, they remain circulating in the bloodstream for several months, which generates immunity for a long period of time to a certain antigen, in other words, they are capable of recognizing other molecules (antigens) in a very specific way and forming stable complexes with them (immune complexes). Its appearance in plasma is part of the adaptive immune response, in what is known as a specific humoral response, constituting a very effective defense against pathogens.
What's More
Activity 1:
Directions:
Match the descriptions in Column A with the parts of the nervous
system in Column B. Write only the letter of the correct answer in your
Science journal.
B
a. sympathetic nerve
b. neurons
A
1. It serves as the functional unit of the
nervous system.
2. It collects information from the sense organ
such as the eyes and the nose.
3. It serves as the primary organ of the
central nervous system.
4. It controls or regulates body's internal brain
environment, including the body temperature,
pulse and respiration rate, and bood pressure.
5. It is one of the systems that is directly involved
c. peripheral nervous
system
d. nervous system
e. automatic nervous
system
in maintaining normal functions of cells.
f. spinal cord
Answer:
1. It serves as the functional unit of the nervous system. b. neurons
2. It collects information from the sense organ such as the eyes and the nose. c. peripheral nervous system
3. It serves as the primary organ of the central nervous system. f. spinal cord
4. It controls or regulates the body's internal brain environment, including the body temperature, pulse and respiration rate, and bood pressure. e. autonomic nervous system
5. It is one of the systems that is directly involved in maintaining the normal functions of cells. d. nervous system
Explanation:
Neuron: Neurons are the structural and functional units in the nervous system. Neurons transmit nervous impulses. These cells are formed in general by a cellular body, dendrites that are cytoplasmic extensions that receive stimuli from other cells, and an axon that is a long formation capable of conducting the electrochemical signals. Every neuron forms connections with other neurons. These connections are known as synapsis.
Peripheral nervous system: Sense information is received by the peripheral nervous system and processed by neurons and synapses in the central nervous system. There are three types of neurons involved in this transmission: sensory or efferent neurons, interneurons, and motor or efferent neurons.
Spinal cord: The nervous system might be divided into the central nervous system and peripheral nervous system. There are two organs involved in the central nervous system that funtion as control centers. One of them is the brain, and the other organ is the spinal cord, surrounded by the vertebral column.
Autonomic nervous system: The autonomic nervous system is conformed by the sympathetic nervous system and the parasympathetic nervous system. It has too many functions in the organisms, controlling pressure, heart bitting, body temperature, sexual responses, urination, digestion, general metabolism, among others. It controls and regulates the whole organism.
The nervous system: Homeostasis refers to stability, balance, or equilibrium. The organism needs to maintain homeostasis to guarantee the correct functioning of cells, tissues, organs, and so on. The homeostatic regulation is controlled by the endocrine system and by the nervous system, which acts as the control center.
Which of these human behaviors has the least potential to harm the
environment?
A. Focus on harvesting of high-value resources
B. Unregulated rates of harvesting resources
C. Use of technology to speed harvesting of resources
D. Focus on steady harvesting of abundant resources
ID
Answer:
D. Focus on steady harvesting of abundant resources
What kinds of characters can you use to create a data matrix for estimating phylogenetic trees?
a. any heritable trait.
b. any morphological trait.
c. any molecular trait.
d. any measurable trait.
Answer: The correct option is A
any heritable trait
Explanation:
This is because phylogenetic tree is a diagram that show or indicate the evolutionary relationships between several organisms from a descent or that have common anscetors which is based on the differences or similarities of there phenotypic traits or physically expressed inheritable traits.
If a carrier female and an affected male have a offspring, what is the chance that they will have a carrier offspring
A 75%
B 50%
C 25%
D 25%
Answer: 75%
Explanation: there is a higher risk because there is a carrier as well as an affected. Lets just put it this way, they are either going to have the disease or carry the disease.
Reconstruct the phylogeny that most simply and accurately accounts for the distribution of synapomorphies among ingroup species. Given matrices as small and simple as the above example, one can "build" the tree from the bottom up in a series of sketches, adding clades or branches representing groups with the fewest synapomorphies near the base of the tree and those with the most at the tips. Using the unlabeled phylogeny as a starting point, draw the stepwise construction of a fully resolved phylogeny to account for all of the synapomorphies, and include the synapomorphies that identify each clade (the first one, character 2, is included to get you started; this is shared by all members of the ingroup).
Complete question:
1). Determine the character states for the following six characters that are present in species OG, 5, 7, 15, 17, 18. Assign the character state found in the outgroup (OG) as a 0 and the alternative derived state a 1; use only two states per character. Example, stem width: 0 = thin, / = thick 1 (Characters and plant species image in the attached files)
2). Score each taxon using the 0 and 1 notation about and add to this matrix (Matrix in the attached files)
4). Reconstruct the phylogeny that most simply and accurately accounts for the distribution of synapomorphies among ingroup species. Given matrices as small and simple as the above example, one can build the tree from the bottom up in a series of sketches, adding clades or branches representing groups with the fewest synapomorphies near the base of the tree and those with the most at the tips. Using the unlabeled phylogeny as a starting point, draw the stepwise construction of a fully resolved phylogeny to account for all of the synapomorphies and include the synapomorphies that identify each clade (the first one, character 2, is included to get you started; this is shared by all members of the ingroup) (Tree in the attached files)
Answer:
Characters: Stem width: Thick-1 // Thin-0 Leaf edge (shape): Pointed-1 // Blunt-0 Flower base (shape): Narrow-0 // Wide-1 Flower orientation: Downward (Pendant)-1 // Upward (Vertical)-0 Petal color: Purple-1 // Yellow-0 Fruit shape (inset on card, on left): Round-0 // Elongated-1Complete Matrix in the attached filesOrder in the phylogeny reconstruction: OG --> 7 --> 5 --> 15 --> 17 and 18 (tree + evolutive changes in the attached files)Explanation:
NOTE: You will find the complete activity in the attached files.
The principle of maximum parsimony or maximum simplicity states that among all possible trees within a group of species, the most probable is the one that requires us to postulate the least number of evolutionary changes. So, to reconstruct a phylogeny we need to choose the tree that requires the less number of changes. To determine the character states for all the six characters, we assigned the number cero to all the characters expressed in the out-group. Thin steam, blunt leaf, narrow flower base, upward flower orientation, yellow petals, and rounded-seeds are all cero states. The other characters are 1.The above information of character state was used to fill in the matrix, specifying which character state belongs to each species according to their traits. The matrix was useful to reconstruct the phylogeny, to identify the autapomorphic trait, and to visualize all the clades.Hello, if you cod answer this it would be very much appreciated.
Answer:
I know that it cant be A,B,C. D is close but it seams that it also slightly getting dryer, so i think that I would go with OTHER.
Which property of proteins BEST allows them to perform an enormously diverse range of functions?
a. Their large, chemical-energy reserve
b. Their large, stored-electric potential I
The complexity of their folded structure c.
d. The wide variety of cements they include Proteins
Answer: The complexity of their folded structure
Explanation:
Proteins are usually made up of chains of amino acids. They are also colorless and are spherical in shape and tasteless as well.
Thw property of proteins that allows them to perform an enormously diverse range of functions is the complexity of their folded structure.
What are the waste product of alcoholic fermentation
Answer:
Ethanol fermentation causes bread dough to rise. Yeast organisms consume sugars in the dough and produce ethanol and carbon dioxide as waste products. The carbon dioxide forms bubbles in the dough, expanding it to a foam.
Answer:
Ethanol and carbon dioxide
Explanation:
What is the correct order of amino acids given the following code: CAG-ACA-AAC
Why is the proton pump important to animal cells?
Answer:Transport of the positively charged proton is typically electrogenic, i.e. it generates an electrical field across the membrane also called the membrane potential. ... In cell respiration, the proton pump uses energy to transport protons from the matrix of the mitochondrion to the inter-membrane space.
Explanation:
Describe how the gonorrhoea pathogen causes disease after it enter the body
Answer:
Gonorrhea is transmitted through sexual contact with the penis, vagina, mouth, or anus of an infected partner. Ejaculation does not have to occur for gonorrhea to be transmitted or acquired. Gonorrhea can also be spread perinatally from mother to baby during childbirth.
What two factors do you need to measure to calculate the speed of an object such as a car?
A distance traveled and the time it takes to travel that distance
B. time it takes to go from 0 mph to 100 mph and the time of day
Ο Ο
C. the weight of the car and the car's maximum speed
D. size of the car tires and the distance the car traveled
o
E. size of the engine and how long it takes the car to move
In sweet pea plants, purple flower color is dominant over red flower color and long pollen grain shape is dominant over round pollen grain shape. Two sweet pea plants that we heterozygous for both flower color and pollen grain shape are crossed with one another. A geneticistis surprised to observe that there are fewer round purple offspring and long red offspring than were predicted by the 9:3:3:1 expected phenotypie ratio Which of the following statements provides the most reasonable prediction to account for the deviation from the expected results?
A) in sweet pea plants, the gene for flower color and the gene for pollen grain shape are genetically linked
B) In sweet pea plants the genes for flower color and for pollen grain shape both exhibit codominance
C) Several mutations occurred spontaneously producing a deviation from the expected phenotypic ratio of the offspring
D) The genes for flower color and pollen grain shape are inherited independently because of the law of independent assortment
Answer:
The correct answer is - option A) in sweet pea plants, the gene for flower color and the gene for pollen grain shape are genetically linked.
Explanation:
In this given case the result of phenotypes are not as expected and does not follow the law of independent assortment presented by Mendel. It appears to be the case of genetic linkage as it is not following the mendelian law by producing fewer round purple offspring and long red offspring which do not satisfy the expected mendelian ratio of 9:3:3:1. Mutation can lead to failure in producing proteins but could not affect the phenotypic ratio of the plant.
Thus, the correct answer is - option A.
Medel was the Father of Genetics, who gave the laws on independent assortment, dominance, and segregation of the genes.
However, there are some exception that violates these laws, such as genetic linkage is one of the exceptions that violates the law of independent assortment.
The correct answer is:
Option A. in sweet pea plants, the gene for flower color and the gene for pollen grain shape are genetically linked
In the given data, the results can be interpreted as:
The Law of independent assortment states that the two or more alleles of different genes are assorted independently. In the given example, the genetic linkage occurs, which does not follow the ratio of 9:3:3:1. The genetic linkage does not follow the law of independent assortment, which results in fewer purple offspring.Thus, mutation can cause the failure of Mendel laws and can affect the phenotypic traits of an organism.
Therefore, Option A is correct.
To know more about genetic linkages, refer to the following link:
https://brainly.com/question/5485535
Planting trees reduces destruction to homes and crops by serving as ___ during typhoons and storms.
a. Shelter
b. Income
c. Feltilizers
d. Windbreakers
Answer:
Windbreakers
Explanation:
Income and fertilizers have nothing to do with it, so those are not it. Then there are shelter and windbreakers. It kind of acts as a shelter, but mainly it protects crops and homes by acting as a windbreaker. If it was shelter, that would mean that the crops would mainly be planted under the trees to reduce damage from storms and typhoons. Therefore, it is D) Windbreakers.
Please Mark Brainliest!
I’ll mark brainliest if right
Answer:
b should be the correct answer
Explanation:
Answer:
i belive it is the second one TT and tt
Explanation:
i used the punnint sqaure thingy to help
2. Insects which attack woollen clothes are
a. Silkworm b. silver fish c. ants d. butterflies
Answer:
a
Explanation:
it would be a silkworm because they feed exclusively on animal fibers such as wool. hope this helps!
HELP PLEASE DO THE WHOLE PAGE
Answer:
'krf'klmf
Explanation:
lkn4f4klng
Identify two examples of the benefits of having the participants keep track of their daily eating habits through this study
Answer:
Calories count improves health.
Success of weight loss program.
Explanation:
The daily eating track should be maintained by every person. There are various techniques which help identify daily calorie count of a person to stay healthy. The person should keep track what he is eating so that he stays healthy. The weight loss success is dependent on the food intake.
What 3 types of larvae begin as plankton?
Answer:
sponges, crabs, sea stars, snails, worms, and fishes.
Explanation:
The animal groups with larvae in the plankton include, sponges, crabs, sea stars, snails, worms, and fishes. These tiny larvae are not the only ones out there floating around in the plankton.
Answer:
snails, worms, and fishes.
Explanation:
The animal groups with larvae in the plankton include, sponges, crabs, sea stars, snails, worms, and fishes. These tiny larvae are not the only ones out there floating around in the plankton
Suppose you were floating in space at a safe distance from a large explosion such as the supernova at left. Do you think you would hear anything? Explain.
Answer:
No sounds can be heard in outer space because sound waves require a medium, such as air, to travel through.
Explanation:
Which of the following is not true concerning the flow of energy through an ecosystem
Answer:
D. Most of the energy from photosynthesis flows out as heat
Explanation:
Energy flow is the amount of energy that moves through a food chain in a given ecosystem
Which is a compound that is only found in the cells of autotrophs that perform photosynthesis to enable these organisms to create their own food?
Answer: In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy. Plants also use glucose to make cellulose, a substance they use to grow and build cell walls.
Why does type 2 diabetes result in high blood pressure? HELP PLS!!
All of the energy comes from the sun but ______________ capture this energy.
(Copy pasted)
Please answer
Answer:
chloroplasts
Explanation:
plants and other organisms capture the energy, but if you wanna get really specific its chloroplasts
Matter can recycle through the biosphere because -
Answer:
Matter can cycle through the biosphere because biological systems do not use up matter, they transform it. The matter is assembled into living tissue or passed out of the body as waste products. ... Simply put, biogeochemical cycles pass the same molecules around again and again within the biosphere.
Explanation:
answer a
Once a liquid substance gains enough thermal energy, it can change to a solid state.
True
or
False
Answer:true
Explanation:
Answer: Yea it’s True
Explanation:
Four students are trying to cram for an exam they forgot to study forAfter digging through her backpack Emma finds the image below that she quickly realizes she forgot to label
Answer:
Tyrone
Explanation:
Transcription comes before translation
If I put down an apple next to a banana will it ripen faster?
Answer:
no
Explanation:
which of the following is a correct statement about the event of the cell cycle
Answer:
The answer which is a correct statement about the events of the cell cycle is 4) Interphase consists of the G1, S phase, and G2 phase - it also consists of G0 phase, but that is not included in this option
Answer:
i/d/k
Explanation:
Why is it possible to do the following party tricks without cheating?
A. Stand with back and heels touching a wall and bend forward from the hips to touch the floor. Return to the upright position without flling or moving the root.
B. Stand facing the edge of an open door with nose and abdomen touching the edge, the feetstraddling the door, and the hands to the sides. Attempt to rise up on the toes.Observe what body motions occur to keep the center of gravity within the base of support whenthese activities are performed without the impediments.
Answer:
When the body is supported by a wall then it can move in a position counter gravity. The gravity tries to pull the body down and the body responds to it with a slight delay because of wall support.
Explanation:
The body is lifted in upright position with the help of feet. The body rises but after few minutes the gravitational force creates pressure on the body and the body comes down to a natural state. Similarly if the open door is used to perform counter gravity activities then the body will stay for a lesser period in a state because of opened door instead of firm wall support.
